Zimbra Forums

Good afternoon:

I want to prevent an account from sending external emails, I want it to only send to the same domain and to gmail.

I would appreciate your comments.

Good afternoon estimated: You can help me with the following: The server shows anonymous authentication vulnerabilities and uses weak encryption for pop3 and pop3s. I can use it to solve this problem. I have disabled all weak encryption and the result in the scans is the same. Thankful for his comme...

Release 8.8.6_GA_1906.RHEL7_64_20171130041047 RHEL7_64 FOSS edition.

Good afternoon :

I have made several adjustments to the server to avoid the vulnerability presented by Qualys, it is presented in ports 25 and 465, it can help me correct the problem:

This is a sample of a scan with Zenmap

Good day: We have made a scan with the company Qualys, our zimbra server Release 8.8.6_GA_1906.RHEL7_64_20171130041047 RHEL7_64 FOSS edition, It presents vulnerabilities: SSL Server Allows Anonymous Authentication Vulnerability port:465,25 SSL/TLS Server supports TLSv1.0 port:443,465,995 SSL/TLS Ser...

Hello dears: My mail server zimbra was receiving many brute force attacks, I decided to add more security with the following policies. zmprov mcf zimbraMtaSmtpdSenderLoginMaps proxy:ldap:/opt/zimbra/conf/ldap-slm.cf +zimbraMtaSmtpdSenderRestrictions reject_authenticated_sender_login_mismatch vi /opt...

Hello dears: I am installing a Cacerts certificate, inside the commercial.crt file I have the one sent by CAcerts, and in commercial_ca.crt I have the root and intermediate certificate, at the time of doing the deploy it shows me an error in ** Saving server config key zimbraSSLCertificate. ..failed...

Good morning dear,

I have installed zimbra version 8.6.0_GA_1153.FOSS open source, I need to backup my zimbra server, this for any eventuality, I have seen in forums that can be done copying the folder zimbra.

Please make your comments to do it in the best way.

Thank you for your cooperation.

Good day,

Thank you for your collaboration was already possible installation.

I thank you in advance.

Greetings.

Good day Mark, Excuse my ignorance but I've never installed certificates hope you do not mind, effected, by installing the command line, the csr generated by the CLI, and enter the site godaddy, I send 2 files, 3b6ae0c21ca24d5a and gd_bundle-G2- g1, I followed the instructions on the wiki see that i...

Good day Mark,

I have doubts the CLI installation, it seems easier for command line, which advise method to install.

It is a commercial self-signed certificate no.

Greetings.